256231296

素因数分解:

$2^7\times 3^3\times {\mathrm{151}}^1\times {\mathrm{491}}^1$

素因数の和:665

約数の個数: 128

約数和(自身を含む): 762796800

約数和(自身を除く): 506565504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 151, 192, 216, 288, 302, 384, 432, 453, 491, 576, 604, 864, 906, 982, 1152, 1208, 1359, 1473, 1728, 1812, 1964, 2416, 2718, 2946, 3456, 3624, 3928, 4077, 4419, 4832, 5436, 5892, 7248, 7856, 8154, 8838, 9664, 10872, 11784, 13257, 14496, 15712, 16308, 17676, 19328, 21744, 23568, 26514, 28992, 31424, 32616, 35352, 43488, 47136, 53028, 57984, 62848, 65232, 70704, 74141, 86976, 94272, 106056, 130464, 141408, 148282, 173952, 188544, 212112, 222423, 260928, 282816, 296564, 424224, 444846, 521856, 565632, 593128, 667269, 848448, 889692, 1186256, 1334538, 1696896, 1779384, 2001807, 2372512, 2669076, 3558768, 4003614, 4745024, 5338152, 7117536, 8007228, 9490048, 10676304, 14235072, 16014456, 21352608, 28470144, 32028912, 42705216, 64057824, 85410432, 128115648, 256231296]

約数ペア:

[(1, 256231296), (2, 128115648), (3, 85410432), (4, 64057824), (6, 42705216), (8, 32028912), (9, 28470144), (12, 21352608), (16, 16014456), (18, 14235072), (24, 10676304), (27, 9490048), (32, 8007228), (36, 7117536), (48, 5338152), (54, 4745024), (64, 4003614), (72, 3558768), (96, 2669076), (108, 2372512), (128, 2001807), (144, 1779384), (151, 1696896), (192, 1334538), (216, 1186256), (288, 889692), (302, 848448), (384, 667269), (432, 593128), (453, 565632), (491, 521856), (576, 444846), (604, 424224), (864, 296564), (906, 282816), (982, 260928), (1152, 222423), (1208, 212112), (1359, 188544), (1473, 173952), (1728, 148282), (1812, 141408), (1964, 130464), (2416, 106056), (2718, 94272), (2946, 86976), (3456, 74141), (3624, 70704), (3928, 65232), (4077, 62848), (4419, 57984), (4832, 53028), (5436, 47136), (5892, 43488), (7248, 35352), (7856, 32616), (8154, 31424), (8838, 28992), (9664, 26514), (10872, 23568), (11784, 21744), (13257, 19328), (14496, 17676), (15712, 16308)]